[BUG] Animated webp image doesn't work.

[Diving-Fish]

Description

Animated webp images have no animation (only display the first frame); sometimes there are also color differences.

Checklist

• If possible, I've reproduced the issue using the latest version of this app.
• This issue hasn't been addressed in an existing GitHub issue or discussion.

Expected behavior

No response

Actual behavior

No response

Reproduction steps

Compare this gallery on ehpanda and website: https://e-hentai.org/g/3666375/e6cfa5514c/

EhPanda version information

v2.8.0

Destination operating system

iOS 26

Destination device

iPhone 17 Pro